Haymaking machines

Details Haymaking machines Haymaking machines

1974-06-20

1976-07-27

Mancene, Louis G.

Harvesters

Tedders

A01D 7906

Patent

active

039712036

ABSTRACT:
A haymaking machine has rake heads rotatable about upwardly extending axes. Each rake head includes a central housing mounted concentric with respect to a wheeled center shaft that affords the axis of rotation of the head. A p.t.o. is connectable to driving means that rotates the housing. Each head has support arms, the inner ends of which are pivoted on horizontal axes around the lower periphery of the housing. A tine group is pivoted to the outer end of each arm and the arm as well as its corresponding tine group are vertically movable about pivotal axes to a radial extended crop working position from a contracted and generally upright transport position. One or more spring mechanisms are associated with the pivotal axes to bias the arms and their tine groups to the transport position. Centrifugal forces overcome the spring bias when the head is rotated at operational speed.

REFERENCES:
patent: 3664106 (1972-05-01), Maugg
patent: 3827224 (1974-08-01), Mulder et al.

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